TWI794911B - 用以編碼音訊信號或用以解碼經編碼音訊場景之設備、方法及電腦程式 - Google Patents

用以編碼音訊信號或用以解碼經編碼音訊場景之設備、方法及電腦程式 Download PDF

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TWI794911B
TWI794911B TW110127932A TW110127932A TWI794911B TW I794911 B TWI794911 B TW I794911B TW 110127932 A TW110127932 A TW 110127932A TW 110127932 A TW110127932 A TW 110127932A TW I794911 B TWI794911 B TW I794911B
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frame
signal
audio signal
audio
sound field
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TW110127932A
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TW202230333A (zh
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古拉米 福契斯
亞齊特 塔瑪拉普
安德利亞 尹申瑟
斯里坎特 寇斯
史蒂芬 多希拉
馬庫斯 穆爾特斯
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弗勞恩霍夫爾協會
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/012—Comfort noise or silence coding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
TW110127932A 2020-07-30 2021-07-29 用以編碼音訊信號或用以解碼經編碼音訊場景之設備、方法及電腦程式 TWI794911B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP20188707.2 2020-07-30
EP20188707 2020-07-30
WOPCT/EP2021/064576 2021-05-31
PCT/EP2021/064576 WO2022022876A1 (en) 2020-07-30 2021-05-31 Apparatus, method and computer program for encoding an audio signal or for decoding an encoded audio scene

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TW202230333A TW202230333A (zh) 2022-08-01
TWI794911B true TWI794911B (zh) 2023-03-01

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TW110127932A TWI794911B (zh) 2020-07-30 2021-07-29 用以編碼音訊信號或用以解碼經編碼音訊場景之設備、方法及電腦程式

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US (1) US20230306975A1 (ja)
EP (1) EP4189674A1 (ja)
JP (1) JP2023536156A (ja)
KR (1) KR20230049660A (ja)
CN (1) CN116348951A (ja)
AU (2) AU2021317755B2 (ja)
BR (1) BR112023001616A2 (ja)
CA (1) CA3187342A1 (ja)
MX (1) MX2023001152A (ja)
TW (2) TW202347316A (ja)
WO (1) WO2022022876A1 (ja)
ZA (1) ZA202301024B (ja)

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EP3719799A1 (en) * 2019-04-04 2020-10-07 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. A multi-channel audio encoder, decoder, methods and computer program for switching between a parametric multi-channel operation and an individual channel operation
CN115150718A (zh) * 2022-06-30 2022-10-04 雷欧尼斯（北京）信息技术有限公司 一种车载沉浸式音频的播放方法和制作方法
WO2024051955A1 (en) 2022-09-09 2024-03-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoder and decoding method for discontinuous transmission of parametrically coded independent streams with metadata
WO2024051954A1 (en) 2022-09-09 2024-03-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder and encoding method for discontinuous transmission of parametrically coded independent streams with metadata
WO2024056702A1 (en) * 2022-09-13 2024-03-21 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive inter-channel time difference estimation
CN116368460A (zh) * 2023-02-14 2023-06-30 北京小米移动软件有限公司 音频处理方法、装置
WO2024175587A1 (en) * 2023-02-23 2024-08-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio signal representation decoding unit and audio signal representation encoding unit
WO2024208964A1 (en) * 2023-04-06 2024-10-10 Telefonaktiebolaget Lm Ericsson (Publ) Stabilization of rendering with varying detail

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JP5933965B2 (ja) * 2000-11-15 2016-06-15 ドルビー・インターナショナル・アクチボラゲットＤｏｌｂｙ Ｉｎｔｅｒｎａｔｉｏｎａｌ Ａｂ 高周波数の再構成方法を使用するコーディング・システムの性能拡大方法
US9514757B2 (en) * 2010-11-17 2016-12-06 Panasonic Intellectual Property Corporation Of America Stereo signal encoding device, stereo signal decoding device, stereo signal encoding method, and stereo signal decoding method
CN107742521A (zh) * 2016-08-10 2018-02-27 华为技术有限公司 多声道信号的编码方法和编码器
CN108885879A (zh) * 2016-01-22 2018-11-23 弗劳恩霍夫应用研究促进协会 使用帧控制同步来编码或解码多声道音频信号的装置和方法
TW201909658A (zh) * 2011-07-01 2019-03-01 美商杜比實驗室特許公司 用於適應性音頻信號的產生、譯碼與呈現之系統與方法
CN109448741A (zh) * 2018-11-22 2019-03-08 广州广晟数码技术有限公司 一种3d音频编码、解码方法及装置
CN110556120A (zh) * 2014-06-27 2019-12-10 杜比国际公司 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法

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JP5793636B2 (ja) * 2012-09-11 2015-10-14 テレフオンアクチーボラゲット エル エム エリクソン（パブル） コンフォート・ノイズの生成
JP6790251B2 (ja) * 2016-09-28 2020-11-25 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． マルチチャネルオーディオ信号処理方法、装置、およびシステム
CN112334980B (zh) * 2018-06-28 2024-05-14 瑞典爱立信有限公司 自适应舒适噪声参数确定

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JP5933965B2 (ja) * 2000-11-15 2016-06-15 ドルビー・インターナショナル・アクチボラゲットＤｏｌｂｙ Ｉｎｔｅｒｎａｔｉｏｎａｌ Ａｂ 高周波数の再構成方法を使用するコーディング・システムの性能拡大方法
US9514757B2 (en) * 2010-11-17 2016-12-06 Panasonic Intellectual Property Corporation Of America Stereo signal encoding device, stereo signal decoding device, stereo signal encoding method, and stereo signal decoding method
TW201909658A (zh) * 2011-07-01 2019-03-01 美商杜比實驗室特許公司 用於適應性音頻信號的產生、譯碼與呈現之系統與方法
US20150213809A1 (en) * 2014-01-30 2015-07-30 Qualcomm Incorporated Coding independent frames of ambient higher-order ambisonic coefficients
US20170032798A1 (en) * 2014-01-30 2017-02-02 Qualcomm Incorporated Coding numbers of code vectors for independent frames of higher-order ambisonic coefficients
CN110556120A (zh) * 2014-06-27 2019-12-10 杜比国际公司 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法
CN108885879A (zh) * 2016-01-22 2018-11-23 弗劳恩霍夫应用研究促进协会 使用帧控制同步来编码或解码多声道音频信号的装置和方法
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TW202347316A (zh) 2023-12-01
AU2021317755B2 (en) 2023-11-09
CN116348951A (zh) 2023-06-27
AU2021317755A1 (en) 2023-03-02
US20230306975A1 (en) 2023-09-28
EP4189674A1 (en) 2023-06-07
AU2023286009A1 (en) 2024-01-25
ZA202301024B (en) 2024-04-24
CA3187342A1 (en) 2022-02-03
TW202230333A (zh) 2022-08-01
BR112023001616A2 (pt) 2023-02-23
JP2023536156A (ja) 2023-08-23
KR20230049660A (ko) 2023-04-13
MX2023001152A (es) 2023-04-05
WO2022022876A1 (en) 2022-02-03

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